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Subject counterbalancing
| Subject | Session 1 (Starting hand, stimulation location) | Session 2 (Starting hand, stimulation location) |
|---|---|---|
| S1 | Right hand, right IPL | Right hand, left IPL |
| S2 | Right hand, reft IPL | Right hand, right IPL |
| S3 | Left hand, right IPL | Left hand, left IPL |
| S4 | Left hand, left IPL | Left hand, right IPL |
| S5 | Right hand, right IPL | Right hand, left IPL |
| S6 | Right hand, left IPL | Right hand, right IPL |
| S7 | Left hand, right IPL | Left hand, left IPL |
| S8 | Left hand, left IPL | Left hand, right IPL |
